Reference Data Rate Center Directory MENLO, IA Rate Center MENLO — IA Data last updated: March 10, 2026 LATA 632 State IA Area Codes 1 Exchanges (NXX) 1 Carriers 1 Coordinates 41.52264586018914, -94.40475688478145 Area Codes 641 Top Carriers Carrier OCN NXX Count COON VALLEY COOP. TEL. ASSN., INC. 1137 1
